/**
 * Swimming Club Membership System - Forms Stylesheet
 * @version 1.0.0
 */

/* ===== FORM BASE ===== */
.form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

/* ===== FORM INPUTS ===== */
.form-input {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.input-with-icon {
    position: relative;
}

.input-with-icon .form-input {
    padding-left: 44px;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: #6b7280;
    stroke-width: 2;
}

.input-toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: #6b7280;
}

.input-toggle-password:hover {
    color: #374151;
}

.input-toggle-password .eye-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* ===== CHECKBOX LABELS ===== */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: #374151;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-900);
    font-size: 0.9375rem;
}

.form-label-required::after {
    content: " *";
    color: var(--danger);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--white);
    background-clip: padding-box;
    border: 1px solid var(--gray-400);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    color: var(--gray-900);
    background-color: var(--white);
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--gray-200);
    opacity: 1;
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--gray-500);
    opacity: 1;
}

.form-control-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.form-control-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

/* ===== TEXTAREA ===== */
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* ===== SELECT ===== */
.form-select {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) calc(var(--spacing-md) * 2) var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--white);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px 12px;
    border: 1px solid var(--gray-400);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-select:focus {
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-select:disabled {
    background-color: var(--gray-200);
    cursor: not-allowed;
}

/* ===== CHECKBOX & RADIO ===== */
.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.75em;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    margin-left: -1.75em;
    vertical-align: top;
    background-color: var(--white);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 1px solid var(--gray-400);
    appearance: none;
    cursor: pointer;
}

.form-check-input[type="checkbox"] {
    border-radius: var(--radius-sm);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:checked[type="checkbox"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
}

.form-check-input:checked[type="radio"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

.form-check-input:focus {
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-check-input:disabled {
    pointer-events: none;
    filter: none;
    opacity: 0.5;
}

.form-check-label {
    cursor: pointer;
}

.form-check-inline {
    display: inline-block;
    margin-right: var(--spacing-lg);
}

/* ===== FORM TEXT (HELP TEXT) ===== */
.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===== VALIDATION STATES ===== */
.is-valid {
    border-color: var(--success);
}

.is-valid:focus {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.is-invalid {
    border-color: var(--danger);
}

.is-invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.valid-feedback {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--success);
}

.invalid-feedback {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--danger);
}

.is-valid ~ .valid-feedback,
.is-invalid ~ .invalid-feedback {
    display: block;
}

/* ===== INPUT GROUPS ===== */
.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group > .form-control,
.input-group > .form-select {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-700);
    text-align: center;
    white-space: nowrap;
    background-color: var(--gray-200);
    border: 1px solid var(--gray-400);
}

.input-group > :not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > :not(:first-child) {
    margin-left: -1px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* ===== FORM ROW ===== */
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-sm) * -1);
}

.form-row > .form-group {
    padding: 0 var(--spacing-sm);
}

.form-row > .col,
.form-row > [class*="col-"] {
    padding: 0 var(--spacing-sm);
}

/* ===== FLOATING LABELS ===== */
.form-floating {
    position: relative;
}

.form-floating > .form-control {
    height: calc(3.5rem + 2px);
    padding: 1rem 0.75rem;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* ===== WIZARD STYLES ===== */
.wizard {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.wizard-steps {
    display: flex;
    background-color: var(--gray-100);
    border-bottom: 2px solid var(--gray-300);
    padding: var(--spacing-md);
    overflow-x: auto;
}

.wizard-step {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
    min-width: 150px;
}

.wizard-step:not(:last-child)::after {
    content: '›';
    position: absolute;
    right: -10px;
    font-size: 1.5rem;
    color: var(--gray-400);
}

.wizard-step.active {
    color: var(--primary);
    font-weight: 600;
}

.wizard-step.completed {
    color: var(--success);
}

.wizard-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-right: var(--spacing-sm);
    background-color: var(--gray-300);
    color: var(--gray-700);
    border-radius: 50%;
    font-weight: 600;
}

.wizard-step.active .wizard-step-number {
    background-color: var(--primary);
    color: var(--white);
}

.wizard-step.completed .wizard-step-number {
    background-color: var(--success);
    color: var(--white);
}

.wizard-content {
    padding: var(--spacing-2xl);
}

.wizard-actions {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* ===== SEARCH FORM ===== */
.search-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.search-input {
    flex: 1;
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ===== FILE UPLOAD ===== */
.file-upload {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.file-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.file-upload-label {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--white);
    background-color: var(--primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.file-upload-label:hover {
    background-color: var(--primary-dark);
}

.file-upload-text {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .wizard-steps {
        flex-direction: column;
        align-items: stretch;
    }
    
    .wizard-step:not(:last-child)::after {
        content: '↓';
        bottom: -10px;
        right: 50%;
        transform: translateX(50%);
    }
    
    .wizard-content {
        padding: var(--spacing-lg);
    }
    
    .wizard-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .form-row {
        flex-direction: column;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .wizard-steps,
    .wizard-actions,
    .search-form,
    .file-upload-label {
        display: none;
    }
    
    .form-control,
    .form-select {
        border: 1px solid var(--gray-300);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}